Home / 2,540.28-3,503.19-1,836.80

Finding the Fourth Proportional to 2,540.28, 3,503.19 and 1,836.80

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Solution

The fourth proportional to 2,540.28, 3,503.19 and 1,836.80 is: 2,533.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.28 : 3,503.19 = 1,836.80 : x
  2. Step 2: Convert to fraction form
    2,540.28/3,503.19 = 1,836.80/x
  3. Step 3: Cross multiply
    2,540.28x = 3,503.19 × 1,836.80
  4. Step 4: Simplify right side
    2,540.28x = 6,434,641.88
  5. Step 5: Solve for x
    x = 6,434,641.88/2,540.28
  6. Step 6: Final answer
    x = 2,533.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.